V14 is free upgrade from v13. To use v14, you will need a v14 registration key. If you have valid v13 licenses, you can view your free v14 registration keys at Emurasoft Customer Center.https://www.emurasoft.com/support/upgrade_e.php 80% of our customers (including old customers who have registered their products) already have lifetime licenses. Even if you haven’t installed v13, please click the above link to check if you can upgrade to v14.